21241363

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1782

約数の個数: 16

約数和(自身を含む): 25250400

約数和(自身を除く): 4009037

約数列:

[1, 11, 13, 89, 143, 979, 1157, 1669, 12727, 18359, 21697, 148541, 238667, 1633951, 1931033, 21241363]

約数ペア:

[(1, 21241363), (11, 1931033), (13, 1633951), (89, 238667), (143, 148541), (979, 21697), (1157, 18359), (1669, 12727)]